The difference is gold plating thickness on contact area. FX2B-**SA-1.27R : 0.05μm FX2B-**SA-1.27R(02) : 0.2μm

​The difference is packaging. DF13EA-**DP-1.25V(52) : Emboss tape, 1,000 pcs a reel DF13EA-**DP-1.25V(65) : Tube(stick).

The difference is "C"-shape insulator. BNC-LR-PC(40) :  Without "C"-shape insulator BNC-LR-PC-1B(40) :  "C"-shape insulator is assembled(Scheduled to be discontinued) "C"-s...

The difference is the color of housing. GT17H-4P-2H(55) : Light gray GT17H-4P-2H(A)(55) : Brawn GT17H-4P-2H(B)(55) : Green GT17H-4P-2H(C)(55) : Blue

The difference is quantity a reel. DM3AT-SF-PEJM5 : 1,500 pcs/reel DM3AT-SF-PEJM5(40) : 400 pcs/reel The connectors are the same.

The difference is outer plating. BNC-LR(40)　：　Silver(Scheduled to be discontinued) BNC-LR(43)　：　Nickel BNC-LR(44)　：　Discontinued BNC-LR(43) is recommended because o...

The difference is the dimensions of the part to be locked. As the difference is only 0.3mm, they are interchangeable.​However, 60 contact are not compatible. 

The difference is gold plating thickness on contact area. HIF3BA-**D-2.54R(63)  :  0.2μm HIF3BA-**D-2.54R (05) : 0.76μm

The difference is connector direction at each cable end. U.FL-2LP-068N1T-A(50) : The same direction at both ends U.FL-2LP-068N1T-AC(50) : The opposite direction at one end fro...

​The difference is tape for vacuum auto mounting. FX20-60P-0.5SV15 : Without tape for vacuum FX20-60P-0.5SV15(10) : With tape for vacuum